Plate 8.1 Photograph (by Jaime Gómez-Gutiérrez) of Calanus marshallae with a
large, median oil sac (the posterior end of the sac has red pigmentation).
Plate 8.2 Time-series demography of C. finmarchicus at western Atlantic time-series
stations. Proportions of copepodid stages for years with data. Red lines: estimated
times of onset of diapause. Solid green lines: estimated times of exit from dormancy
based on proportion of females present. Dashed green lines: estimated time of exit
based on back-calculation from presence of early copepodid stages (assuming